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参数资料
| 型号： | LTC1569IS8-7#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC FILTER 10TH ORDR LOWPASS8SOIC |
| 标准包装： | 2,500 |
| 滤波器类型： | 线性相位，低通开关电容器 |
| 频率 - 截止或中心： | 300kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 10th |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
3
LTC1569-7
Output DC Offset
REXT = 10k, Pin 5 Shorted to Pin 4
VS = 3V
±2
±5mV
(Note 2)
VS = 5V
±6
±12
mV
VS = ±5V
±15
mV
Output DC Offset Drift
REXT = 10k, Pin 5 Shorted to Pin 4
VS = 3V
– 25
V/°C
VS = 5V
– 25
V/°C
VS = ±5V
±25
V/°C
Clock Pin Logic Thresholds
VS = 3V
Min Logical “1”
2.6
V
when Clocked Externally
Max Logical “0”
0.5
V
VS = 5V
Min Logical “1”
4.0
V
Max Logical “0”
0.5
V
VS = ±5V
Min Logical “1”
4.0
V
Max Logical “0”
0.5
V
Power Supply Current
fCLK = 1.028MHz (10k from Pin 6 to Pin 7,
VS = 3V
6
8
mA
(Note 3)
Pin 5 Open,
÷ 4), fCUTOFF = 32kHz
q
9mA
VS = 5V
7
9
mA
q
10
mA
VS = 10V
9
13
mA
q
14
mA
fCLK = 4.096MHz (10k from Pin 6 to Pin 7,
VS = 3V
9.5
mA
Pin 5 Shorted to Pin 4,
÷ 1), fCUTOFF = 128kHz
q
14
mA
fCLK = 8.192MHz (5k from Pin 6 to Pin 7,
VS = 5V
20
mA
Pin 5 Shorted to Pin 4,
÷ 1), fCUTOFF = 256kHz
q
30
mA
VS = 10V
27
mA
q
37
mA
Power Supply Voltage where
Pin 5 Shorted to Pin 4, Note 3
q
3.7
4.2
4.6
V
Low Power Mode is Enabled
Clock Feedthrough
REXT = 10k, Pin 5 Open
0.4
mVRMS
Wideband Noise
Noise BW = DC to 2 fCUTOFF
125
VRMS
THD
fIN = 10kHz, 1.5VP-P
74
dB
Clock-to-Cutoff
32
Frequency Ratio
Max Clock Frequency
VS = 3V
5
MHz
(Note 4)
VS = 5V
9.6
MHz
VS = ±5V
13
MHz
Min Clock Frequency
3V to
±5V, TA < 85°C3
kHz
(Note 5)
Input Frequency Range
Aliased Components <–65dB
0.9 fCLK
Hz
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VS = 3V (V + = 3V, V– = 0V), fCLK = 4.096MHz, fCUTOFF = 128kHz, RLOAD = 10k unless otherwise specified.
ELECTRICAL C
C
HARA TERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1: Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
Note 2: DC offset is measured with respect to Pin 3.
Note 3: There are several operating modes which reduce the supply
current. For VS < 4V, relative to divide-by-1 mode, the current is typically
reduced by 50% relative to VS = 5V. If the internal oscillator is used as the
clock source and the divide-by-4 or divide-by-16 mode is enabled, the
supply current is typically reduced by 60%,relative to divide-by-1 mode,
independent of the value of VS.
Note 4: The maximum clock frequency is arbitrarily defined as the
frequency at which the filter AC response exhibits >1dB of gain peaking.
Note 5: The minimum clock frequency is arbitrarily defined as the frequecy
at which the filter DC offset changes by more than 5mV.
Note 6: Thermal resistance varies depending upon the amount of PC board
metal attached to the device.
θJA is specified for a 2500mm2 test board
covered with 2oz copper on both sides.
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